Home / 10,656,051.60-15,984,077.40-3,923,590.80

Finding the Fourth Proportional to 10,656,051.60, 15,984,077.40 and 3,923,590.80

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Solution

The fourth proportional to 10,656,051.60, 15,984,077.40 and 3,923,590.80 is: 5,885,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,051.60 : 15,984,077.40 = 3,923,590.80 : x
  2. Step 2: Convert to fraction form
    10,656,051.60/15,984,077.40 = 3,923,590.80/x
  3. Step 3: Cross multiply
    10,656,051.60x = 15,984,077.40 × 3,923,590.80
  4. Step 4: Simplify right side
    10,656,051.60x = 62,714,979,033,127.92
  5. Step 5: Solve for x
    x = 62,714,979,033,127.92/10,656,051.60
  6. Step 6: Final answer
    x = 5,885,386.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.